Figure 3
From: Stability-indicating HPLC-DAD/UV-ESI/MS impurity profiling of the anti-malarial drug lumefantrine
Isotopic-distribution mass spectra of lumefantrine related impurities with the most abundant m/z observed. Isotopic-distribution mass spectra of lumefantrine related impurities: (1) Desbenzylketo N-oxide; (2) Monodesbutyl derivative; (3) Lumefantrine N-oxide; (4) Desbenzylketo derivative; (5) Desbenzyl derivative; (6,7,9) Oxide of lumefantrine and (8) Impurity A (USP/Ph.Int).